/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.spring.process.variable;

import com.je.bpm.engine.ActivitiException;
import com.je.bpm.spring.process.model.VariableDefinition;
import com.je.bpm.spring.process.variable.types.VariableType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * 变量校验服务
 */
public class VariableValidationService {

    private static final Logger logger = LoggerFactory.getLogger(VariableValidationService.class);

    private Map<String, VariableType> variableTypeMap;

    public VariableValidationService(Map<String, VariableType> variableTypeMap) {
        this.variableTypeMap = variableTypeMap;
    }

    public boolean validate(Object var, VariableDefinition variableDefinition) {
        return validateWithErrors(var, variableDefinition).isEmpty();
    }

    public List<ActivitiException> validateWithErrors(Object var, VariableDefinition variableDefinition) {
        List<ActivitiException> errors = new ArrayList<>();
        if (variableDefinition.getType() != null) {
            VariableType type = variableTypeMap.get(variableDefinition.getType());
            //if type is not in the map then assume to be json
            if (type == null) {
                type = variableTypeMap.get("json");
            }
            type.validate(var, errors);
        } else {
            errors.add(new ActivitiException(variableDefinition.getName() + " has no type"));
            logger.error(variableDefinition.getName() + " has no type");
        }
        return errors;
    }

}
